There's a dolphin that surfaced just right there. 那里有一只印度河豚冒出水面
There is a finite amount of freshwater on Earth... 地球上淡水资源有限
but for those that do, there can be great rewards. 但风险越高 收益越高
There are over a thousand different kinds of fish here... 这里孕育着数以千计不同的鱼类
But there are a few rare places, as here in Lake Malawi, 但在一些罕见之处 比如马拉维湖
But there is one thing he can do to protect them. 但雄性水雉还有一种手段来保护雏鸟
Every single cell in your body just wants to get out of there. 全身上下的每个细胞都想赶紧逃离